The Evolution of Java: 9, 10, 11, and 12 by Venkat Subramaniam Flashcards

1

What is the purpose of Optional Class?

2

Lambda expressions are used primarily to define inline implementation of a functional interface.

3

Stream supports aggregate operations like filter, map, limit, reduce, find and match.

4

How many methods are there in a functional interface in Java 8?

5

Which of the following method is added to Map in Java 9?

6

What is the benefit of attending JUG HYD meetups?

7

Example of functional interfaces

8

Example of functional interfaces

9

Release date for Open JDK 12

10

Which of the following is a not valid member of interface till Java 7?

The Evolution of Java: 9, 10, 11, and 12 by Venkat Subramaniam